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Round|Lab Grown|IGI

1.09ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG476157509

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476157509

Diamond specifications and retailer prices

From $1,139 AUD
$800 USD
As of October 29, 2026
Save $4,979 AUD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,118 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG476157509 or 476157509. Listed at 12 retailers as of October 29, 2026, with prices from $1,139 to $6,118, a $4,979 spread on the same certified stone. MOH London lists it at $6,118. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476157509
Dimensions6.61 × 6.63 × 4.08 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.61 mm6.63 mm1.09 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476157509
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,118 AUD|Low: $1,139 AUD|High: $6,158 AUD|Avg: $2,853 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6$1,139 AUD
Retailer 5$1,633 AUD
Retailer 10$1,828 AUD
Retailer 7$1,893 AUD
Retailer 9$1,893 AUD
Retailer 11$2,143 AUD
Retailer 12$2,674 AUD
Retailer 8$3,011 AUD
Retailer 2$3,482 AUD
Retailer 3$3,733 AUD
Retailer 4$4,240 AUD
MOH London$6,118 AUD

17 data points across 12 retailers

12 retailers$1,139 AUD to $6,118 AUD

A
Cheapest Retailer
-
$1,139 AUD
$800 USD
B+
Retailer 2
-
$1,633 AUD
$1,147 USD
View
B+
Retailer 3
-
$1,777 AUD
$1,248 USD
View
B+
Retailer 4
-
$1,828 AUD
$1,284 USD
View
Final sale: no returns
Retailer 5
-
$1,893 AUD
$1,330 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$1,893 AUD
$1,330 USD
View
B+
Retailer 7
-
$2,143 AUD
$1,505 USD
View
B
Retailer 8
-
$3,011 AUD
$2,115 USD
View
B
Retailer 9
-
$3,482 AUD
ZAR 39,510 ZAR
View
B
Retailer 10
-
$3,550 AUD
$2,494 USD
View
B
Retailer 11
-
$3,733 AUD
$2,622 USD
View
Most Expensive
B
MOH London
LG476157509 · Oct 29
$6,118 AUD
£3,384 GBP
View
11 more retailers have this diamond
Prices start from $1,139 AUDSave up to $4,979 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.09ct Round
$1,139 AUD